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19 August, 07:10

What is the maximum amount of moles of P2O5 that can theoretically be made from 136 g of P4 and excess oxygen

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  1. 19 August, 07:14
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    We are given with

    136 g P4

    excess oxygen

    The complete combustion reaction is

    P4 + 5O2 = > 2P2O5

    Converting the amount of P4 to moles

    136/123.9 = 1.098 moles

    Using stoichiometry

    moles P2O5 = 1.098 x 2 = 2.195 moles P2O5
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